ceph-csi/pkg/util/pidlimit_test.go
Madhu Rajanna 84aa1ba392 Use Error instead of Errorf
If the string formatting is not required
use Error.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-03-30 08:53:16 +00:00

47 lines
1.2 KiB
Go

/*
Copyright 2019 ceph-csi authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package util
import (
"testing"
)
// minimal test to check if GetPIDLimit() returns an int
// changing the limit require root permissions, not tested
func TestGetPIDLimix(t *testing.T) {
limit, err := GetPIDLimit()
if err != nil {
t.Errorf("no error should be returned, got: %v", err)
}
if limit == 0 {
t.Error("a PID limit of 0 is invalid")
}
// this is expected to fail when not run as root
err = SetPIDLimit(4096)
if err != nil {
t.Log("failed to set PID limit, are you running as root?")
} else {
// in case it worked, reset to the previous value
err = SetPIDLimit(limit)
if err != nil {
t.Logf("failed to reset PID to original limit %d", limit)
}
}
}